Finding the Fourth Proportional to 5,581.56, 8,308.55 and 5,498.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,581.56 : 8,308.55 = 5,498.48 : x
2. Step 2: Convert to fraction form
   5,581.56/8,308.55 = 5,498.48/x
3. Step 3: Cross multiply
   5,581.56x = 8,308.55 × 5,498.48
4. Step 4: Simplify right side
   5,581.56x = 45,684,396.00
5. Step 5: Solve for x
   x = 45,684,396.00/5,581.56
6. Step 6: Final answer
   x = 8,184.88